How to solve Assertion failed: !IsRunningCommandlet() while packaging

This is the error I’m getting:

UATHelper: Packaging (Windows): LogWindows: Error: begin: stack for UAT
UATHelper: Packaging (Windows): LogWindows: Error: === Critical error: ===
UATHelper: Packaging (Windows): LogWindows: Error:
UATHelper: Packaging (Windows): LogWindows: Error: Assertion failed: !IsRunningCommandlet() [File:D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdGlobals.cpp] [Line: 51]
UATHelper: Packaging (Windows): LogWindows: Error: The global mode manager should not be created or accessed in a commandlet environment. Check that your mode or module is not accessing the global mode tools or that scriptable features of modes have been moved to subsystems.
UATHelper: Packaging (Windows): LogWindows: Error:
UATHelper: Packaging (Windows): LogWindows: Error:
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fff9c5a2845 UnrealEditor-UnrealEd.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fff9c599c89 UnrealEditor-UnrealEd.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fff8c6f75aa UnrealEditor-GameplayDebugger.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fff8c702fc0 UnrealEditor-GameplayDebugger.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fff8c6f5e31 UnrealEditor-GameplayDebugger.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fff8c6f5f76 UnrealEditor-GameplayDebugger.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fff8c6f4540 UnrealEditor-GameplayDebugger.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fff8c700d3a UnrealEditor-GameplayDebugger.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fff8c6f0dc6 UnrealEditor-GameplayDebugger.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fffa0a26c0e UnrealEditor-Engine.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fffa0a3d07a UnrealEditor-Engine.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fffa0a3f191 UnrealEditor-Engine.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fffa0a2c998 UnrealEditor-Engine.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fffa08da1f3 UnrealEditor-Engine.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007fff9bc481ea UnrealEditor-UnrealEd.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff718e68e46 UnrealEditor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff718e60bbd UnrealEditor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff718e60e8a UnrealEditor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff718e63c4d UnrealEditor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff718e75564 UnrealEditor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff718e7788a UnrealEditor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff86e42257d KERNEL32.DLL!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff86eeaaa58 ntdll.dll!UnknownFunction
UATHelper: Packaging (Windows): LogWindows: Error:
UATHelper: Packaging (Windows): LogWindows: Error: end: stack for UAT
PackagingResults: Error: begin: stack for UAT
PackagingResults: Error: === Critical error: ===
PackagingResults: Error: Assertion failed: !IsRunningCommandlet() [File:D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdGlobals.cpp] [Line: 51]
PackagingResults: Error: The global mode manager should not be created or accessed in a commandlet environment. Check that your mode or module is not accessing the global mode tools or that scriptable features of modes have been moved to subsystems.
PackagingResults: Error: [Callstack] 0x00007fff9c5a2845 UnrealEditor-UnrealEd.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fff9c599c89 UnrealEditor-UnrealEd.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fff8c6f75aa UnrealEditor-GameplayDebugger.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fff8c702fc0 UnrealEditor-GameplayDebugger.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fff8c6f5e31 UnrealEditor-GameplayDebugger.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fff8c6f5f76 UnrealEditor-GameplayDebugger.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fff8c6f4540 UnrealEditor-GameplayDebugger.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fff8c700d3a UnrealEditor-GameplayDebugger.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fff8c6f0dc6 UnrealEditor-GameplayDebugger.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fffa0a26c0e UnrealEditor-Engine.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fffa0a3d07a UnrealEditor-Engine.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fffa0a3f191 UnrealEditor-Engine.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fffa0a2c998 UnrealEditor-Engine.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fffa08da1f3 UnrealEditor-Engine.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007fff9bc481ea UnrealEditor-UnrealEd.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff718e68e46 UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff718e60bbd UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff718e60e8a UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff718e63c4d UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff718e75564 UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff718e7788a UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff86e42257d KERNEL32.DLL!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff86eeaaa58 ntdll.dll!UnknownFunction
PackagingResults: Error: end: stack for UAT
UATHelper: Packaging (Windows): Took 9,632993200000001s to run UnrealEditor-Cmd.exe, ExitCode=3
UATHelper: Packaging (Windows): ERROR: Cook failed.
UATHelper: Packaging (Windows): (see C:\Users\hunte\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_5.0\Log.txt for full exception trace)
PackagingResults: Error: Cook failed.
UATHelper: Packaging (Windows): AutomationTool executed for 0h 1m 7s
UATHelper: Packaging (Windows): AutomationTool exiting with ExitCode=25 (Error_UnknownCookFailure)
UATHelper: Packaging (Windows): Updating environment variables set by a Turnkey sub-process
UATHelper: Packaging (Windows): Sistem belirtilen yolu bulamıyor.
UATHelper: Packaging (Windows): Sistem belirtilen yolu bulamıyor.

Okay so I somehow solved it by deleting the “Saved” and “Intermediate” folders in the project folder. And then built the game into a folder inside my project files instead of building it on Desktop.